//package com.xiyoukt.springboot.config;
//
//import com.alibaba.druid.pool.DruidDataSource;
//import com.alibaba.druid.support.http.StatViewServlet;
//import org.springframework.beans.factory.annotation.Value;
//import org.springframework.boot.context.properties.ConfigurationProperties;
//import org.springframework.boot.web.servlet.ServletRegistrationBean;
//import org.springframework.context.annotation.Bean;
//import org.springframework.context.annotation.Configuration;
//
//import javax.sql.DataSource;
//import java.sql.SQLException;
//
///**
// * 配置druid需要的配置类，引入application.yml文件中以spring.datasource开头的信息
// *
// */
//@Configuration
//public class DruidConfig {
//
//    @Value("${spring.datasource.url}")
//    private String dbUrl;
//    @Value("${spring.datasource.username}")
//    private String username;
//    @Value("${spring.datasource.password}")
//    private String password;
//    @Value("${spring.datasource.driver-class-name}")
//    private String driverClassName;
//    @Value("${spring.datasource.initialSize}")
//    private int initialSize;
//    @Value("${spring.datasource.minIdle}")
//    private int minIdle;
//    @Value("${spring.datasource.maxActive}")
//    private int maxActive;
//    @Value("${spring.datasource.maxWait}")
//    private int maxWait;
//    @Value("${spring.datasource.timeBetweenEvictionRunsMillis}")
//    private int timeBetweenEvictionRunsMillis;
//    @Value("${spring.datasource.minEvictableIdleTimeMillis}")
//    private int minEvictableIdleTimeMillis;
//    @Value("${spring.datasource.validationQuery}")
//    private String validationQuery;
//    @Value("${spring.datasource.testWhileIdle}")
//    private boolean testWhileIdle;
//    @Value("${spring.datasource.testOnBorrow}")
//    private boolean testOnBorrow;
//    @Value("${spring.datasource.testOnReturn}")
//    private boolean testOnReturn;
//    @Value("${spring.datasource.poolPreparedStatements}")
//    private boolean poolPreparedStatements;
//    @Value("${spring.datasource.maxPoolPreparedStatementPerConnectionSize}")
//    private int maxPoolPreparedStatementPerConnectionSize;
//    @Value("${spring.datasource.filters}")
//    private String filters;
//    @Value("${spring.datasource.connectionProperties}")
//    private String connectionProperties;
//    @Value("${spring.datasource.useGlobalDataSourceStat}")
//    private boolean useGlobalDataSourceStat;
//
//    @Bean
//    public DataSource druidDataSource() {
//        DruidDataSource druidDataSource = new DruidDataSource();
//        druidDataSource.setUrl(this.dbUrl);
//        druidDataSource.setUsername(username);
//        druidDataSource.setPassword(password);
//        druidDataSource.setDriverClassName(driverClassName);
//
//        druidDataSource.setInitialSize(initialSize);
//        druidDataSource.setMinIdle(minIdle);
//        druidDataSource.setMaxActive(maxActive);
//        druidDataSource.setMaxWait(maxWait);
//        druidDataSource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
//        druidDataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
//        druidDataSource.setValidationQuery(validationQuery);
//        druidDataSource.setTestWhileIdle(testWhileIdle);
//        druidDataSource.setTestOnBorrow(testOnBorrow);
//        druidDataSource.setTestOnReturn(testOnReturn);
//        druidDataSource.setPoolPreparedStatements(poolPreparedStatements);
//        druidDataSource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
//        druidDataSource.setUseGlobalDataSourceStat(useGlobalDataSourceStat);
//        druidDataSource.setPasswordCallback(dbPasswordCallback());
//        try {
//            druidDataSource.setFilters(filters);
//        } catch (SQLException e) {
//            System.err.println("druid configuration initialization filter: "+ e);
//        }
//        druidDataSource.setConnectionProperties(connectionProperties + ";password=" + password);
//        return druidDataSource;
//    }
//
//    @Bean
//    public DBPasswordCallback dbPasswordCallback(){
//        return new DBPasswordCallback();
//    }
//
//    /**
//     * 注册一个StatViewServlet
//     * @return
//     */
//    @Bean
//    public ServletRegistrationBean DruidStatViewServle2(){
//        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(),"/druid/*");
//
//        //添加初始化参数：initParams
//        /** 白名单，如果不配置或value为空，则允许所有 */
//        servletRegistrationBean.addInitParameter("allow","127.0.0.1,192.0.0.1");
//        /** 黑名单，与白名单存在相同IP时，优先于白名单 */
//        servletRegistrationBean.addInitParameter("deny","192.0.0.1");
//        /** 用户名 */
//        servletRegistrationBean.addInitParameter("loginUsername","admin");
//        /** 密码 */
//        servletRegistrationBean.addInitParameter("loginPassword","admin");
//        /** 禁用页面上的“Reset All”功能 */
//        servletRegistrationBean.addInitParameter("resetEnable","false");
//        return servletRegistrationBean;
//    }
//
//}
